Update dependency setuptools to v63.4.3 (develop)

This MR contains the following updates:

Package	Type	Update	Change
setuptools	dependencies	patch	==63.4.1 -> ==63.4.3

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Release Notes

pypa/setuptools

v63.4.3

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Misc ^^^^

• #​3496: Update to pypa/distutils@b65aa40 including more robust support for library/include dir handling in msvccompiler (pypa/distutils#​153) and test suite improvements.

v63.4.2

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Misc ^^^^

• #​3453: Bump vendored version of :pypi:pyparsing to 3.0.9.
• #​3481: Add warning for potential install_requires and extras_require misconfiguration in setup.cfg
• #​3487: Modified pyproject.toml validation exception handling to make relevant debugging information easier to spot.

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